./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6764ffc30d83572229fdd52ac34e537de9a6022f894af07ea29e6b16dee068e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:12:26,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:12:26,730 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 22:12:26,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:12:26,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:12:26,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:12:26,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:12:26,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:12:26,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:12:26,758 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:12:26,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:12:26,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:12:26,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:12:26,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:12:26,759 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:12:26,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:12:26,760 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:12:26,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:12:26,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:12:26,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 22:12:26,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 22:12:26,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:12:26,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:12:26,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:12:26,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:12:26,762 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6764ffc30d83572229fdd52ac34e537de9a6022f894af07ea29e6b16dee068e4 [2025-03-03 22:12:26,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:12:26,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:12:26,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:12:26,974 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:12:26,975 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:12:26,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i [2025-03-03 22:12:28,109 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b75ddac/0911dffee0c34aa4b08285fa6907a076/FLAG3861f6347 [2025-03-03 22:12:28,321 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:12:28,322 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i [2025-03-03 22:12:28,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b75ddac/0911dffee0c34aa4b08285fa6907a076/FLAG3861f6347 [2025-03-03 22:12:28,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b75ddac/0911dffee0c34aa4b08285fa6907a076 [2025-03-03 22:12:28,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:12:28,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:12:28,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:12:28,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:12:28,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:12:28,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191d48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28, skipping insertion in model container [2025-03-03 22:12:28,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:12:28,800 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i[913,926] [2025-03-03 22:12:28,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:12:28,867 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:12:28,875 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i[913,926] [2025-03-03 22:12:28,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:12:28,918 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:12:28,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28 WrapperNode [2025-03-03 22:12:28,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:12:28,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:12:28,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:12:28,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:12:28,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,962 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2025-03-03 22:12:28,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:12:28,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:12:28,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:12:28,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:12:28,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,993 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 22:12:28,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:28,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:29,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:29,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:29,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:29,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:29,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:12:29,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:12:29,011 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:12:29,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:12:29,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (1/1) ... [2025-03-03 22:12:29,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:12:29,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:12:29,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 22:12:29,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 22:12:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:12:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:12:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:12:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 22:12:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:12:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:12:29,117 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:12:29,118 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:12:29,422 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-03 22:12:29,422 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:12:29,431 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:12:29,431 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:12:29,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:12:29 BoogieIcfgContainer [2025-03-03 22:12:29,432 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:12:29,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:12:29,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:12:29,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:12:29,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:12:28" (1/3) ... [2025-03-03 22:12:29,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a60551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:12:29, skipping insertion in model container [2025-03-03 22:12:29,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:28" (2/3) ... [2025-03-03 22:12:29,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a60551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:12:29, skipping insertion in model container [2025-03-03 22:12:29,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:12:29" (3/3) ... [2025-03-03 22:12:29,438 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-37.i [2025-03-03 22:12:29,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:12:29,450 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-37.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:12:29,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:12:29,501 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@130bbbea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:12:29,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:12:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 22:12:29,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-03 22:12:29,511 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:12:29,512 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:12:29,512 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:12:29,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:12:29,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1776503744, now seen corresponding path program 1 times [2025-03-03 22:12:29,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:12:29,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57382225] [2025-03-03 22:12:29,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:12:29,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:12:29,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:29,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:29,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:29,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:12:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-03 22:12:29,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 22:12:29,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57382225] [2025-03-03 22:12:29,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57382225] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 22:12:29,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538038747] [2025-03-03 22:12:29,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:12:29,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 22:12:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:12:29,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 22:12:29,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 22:12:29,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:29,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:29,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:29,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:12:29,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:12:29,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:12:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-03-03 22:12:29,940 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:12:29,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538038747] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:12:29,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 22:12:29,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 22:12:29,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606732040] [2025-03-03 22:12:29,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:12:29,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:12:29,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 22:12:29,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:12:29,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:12:29,960 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-03 22:12:29,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:12:29,978 INFO L93 Difference]: Finished difference Result 118 states and 201 transitions. [2025-03-03 22:12:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:12:29,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2025-03-03 22:12:29,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:12:29,984 INFO L225 Difference]: With dead ends: 118 [2025-03-03 22:12:29,984 INFO L226 Difference]: Without dead ends: 59 [2025-03-03 22:12:29,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:12:29,989 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 22:12:29,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:12:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-03 22:12:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-03 22:12:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 22:12:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2025-03-03 22:12:30,023 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129 [2025-03-03 22:12:30,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:12:30,024 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2025-03-03 22:12:30,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-03 22:12:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2025-03-03 22:12:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-03 22:12:30,029 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:12:30,029 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:12:30,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 22:12:30,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 22:12:30,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:12:30,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:12:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash 180078494, now seen corresponding path program 1 times [2025-03-03 22:12:30,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:12:30,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294352156] [2025-03-03 22:12:30,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:12:30,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:12:30,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:30,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:30,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:30,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-03 22:12:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668713488] [2025-03-03 22:12:30,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:12:30,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 22:12:30,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:12:30,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 22:12:30,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 22:12:30,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:30,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:30,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:30,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:12:30,635 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 22:12:30,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:30,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:30,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:30,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:12:30,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 22:12:30,734 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 22:12:30,735 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 22:12:30,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-03 22:12:30,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 22:12:30,939 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 22:12:31,001 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 22:12:31,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 10:12:31 BoogieIcfgContainer [2025-03-03 22:12:31,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 22:12:31,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 22:12:31,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 22:12:31,005 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 22:12:31,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:12:29" (3/4) ... [2025-03-03 22:12:31,007 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 22:12:31,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 22:12:31,008 INFO L158 Benchmark]: Toolchain (without parser) took 2324.51ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 81.4MB in the end (delta: 50.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2025-03-03 22:12:31,008 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:12:31,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.59ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 117.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 22:12:31,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.46ms. Allocated memory is still 167.8MB. Free memory was 117.8MB in the beginning and 114.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:12:31,009 INFO L158 Benchmark]: Boogie Preprocessor took 46.62ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 110.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:12:31,009 INFO L158 Benchmark]: IcfgBuilder took 421.53ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 88.7MB in the end (delta: 21.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:12:31,009 INFO L158 Benchmark]: TraceAbstraction took 1571.84ms. Allocated memory is still 167.8MB. Free memory was 88.3MB in the beginning and 82.3MB in the end (delta: 6.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-03-03 22:12:31,009 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 81.4MB in the end (delta: 935.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:12:31,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.59ms. Allocated memory is still 167.8MB. Free memory was 132.0MB in the beginning and 117.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.46ms. Allocated memory is still 167.8MB. Free memory was 117.8MB in the beginning and 114.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.62ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 110.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 421.53ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 88.7MB in the end (delta: 21.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1571.84ms. Allocated memory is still 167.8MB. Free memory was 88.3MB in the beginning and 82.3MB in the end (delta: 6.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 81.4MB in the end (delta: 935.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 130. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 256; [L23] unsigned short int var_1_2 = 51640; [L24] unsigned short int var_1_3 = 5; [L25] float var_1_7 = 128.8; [L26] unsigned char var_1_8 = 2; [L27] float var_1_9 = 256.5; [L28] float var_1_10 = 7.25; [L29] signed char var_1_11 = 64; [L30] signed char var_1_12 = -16; [L31] double var_1_13 = 0.9; [L32] unsigned char var_1_14 = 1; [L33] double var_1_15 = 0.0; [L34] double var_1_16 = 1.275; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 35331; [L37] signed char var_1_19 = -128; [L38] double var_1_20 = 0.0; [L39] double var_1_21 = 0.0; [L40] signed char var_1_22 = -8; [L41] float last_1_var_1_10 = 7.25; [L42] double last_1_var_1_13 = 0.9; [L43] unsigned short int last_1_var_1_17 = 8; [L44] signed char last_1_var_1_19 = -128; VAL [isInitial=0, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L124] last_1_var_1_10 = var_1_10 [L125] last_1_var_1_13 = var_1_13 [L126] last_1_var_1_17 = var_1_17 [L127] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=51640, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L91] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L92] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=5, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L93] var_1_3 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L95] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=2, var_1_9=513/2] [L96] var_1_8 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_9=513/2] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_9=513/2] [L98] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_9=513/2] [L98] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_9=513/2] [L99] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=513/2] [L99] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=513/2] [L100] var_1_9 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L101] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=-16, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L102] var_1_12 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L103] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L104] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L104] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=1, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L105] var_1_14 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L106] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L107] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L107] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_15=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L108] var_1_15 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L109] RET assume_abort_if_not((var_1_15 >= 2305843.009213691390e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_16=51/40, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L110] var_1_16 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L111] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=35331, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L112] var_1_18 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_18 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L113] RET assume_abort_if_not(var_1_18 >= 32767) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L114] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L114] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L115] var_1_20 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L116] RET assume_abort_if_not((var_1_20 >= 4611686.018427387900e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_21=0, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L117] var_1_21 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L118] RET assume_abort_if_not((var_1_21 >= 4611686.018427387900e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=-8, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L119] var_1_22 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L120] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L121] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L121] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L138] RET updateVariables() [L139] CALL step() [L48] signed long int stepLocal_2 = var_1_3 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L49] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=-128, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L60] COND TRUE var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16)) [L61] var_1_19 = ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=8, var_1_18=-98305, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L65] var_1_17 = (var_1_18 - var_1_3) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=29/4, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65] [L66] COND TRUE (var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10) [L67] var_1_10 = var_1_9 VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L69] COND FALSE !(var_1_10 >= var_1_10) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=256, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L74] COND TRUE (var_1_2 - var_1_3) > var_1_17 [L75] var_1_1 = (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_2=32636, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=3, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L79] signed long int stepLocal_1 = var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))); [L80] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=-32772, stepLocal_1=1, stepLocal_2=32636, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=3, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L81] COND FALSE !((var_1_19 / var_1_8) < stepLocal_1) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, stepLocal_0=-32772, stepLocal_2=32636, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=3, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((((var_1_2 - var_1_3) > var_1_17) ? (var_1_1 == ((signed long int) (((((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) < (var_1_17)) ? ((((((var_1_11 + var_1_3)) < (var_1_2)) ? ((var_1_11 + var_1_3)) : (var_1_2)))) : (var_1_17))))) : (var_1_1 == ((signed long int) 0))) && (((var_1_19 / var_1_8) < (var_1_1 / ((((2) < (var_1_2)) ? (2) : (var_1_2))))) ? ((var_1_1 >= var_1_3) ? (var_1_7 == ((float) 0.75f)) : (var_1_7 == ((float) var_1_9))) : 1)) && (((var_1_17 >= var_1_17) || (var_1_9 > last_1_var_1_10)) ? (var_1_10 == ((float) var_1_9)) : 1)) && ((var_1_10 >= var_1_10) ? ((var_1_9 < var_1_10) ? (var_1_11 == ((signed char) var_1_12)) : 1) : 1)) && (var_1_14 ? ((last_1_var_1_13 <= var_1_9) ? (var_1_13 == ((double) var_1_9)) : ((((((last_1_var_1_17) < ((var_1_2 * last_1_var_1_17))) ? (last_1_var_1_17) : ((var_1_2 * last_1_var_1_17)))) == (var_1_3 + last_1_var_1_19)) ? (var_1_13 == ((double) 8.75)) : (var_1_13 == ((double) (16.5 + ((var_1_15 - 49.35) - var_1_16)))))) : 1)) && (var_1_17 == ((unsigned short int) (var_1_18 - var_1_3)))) && ((var_1_13 > ((var_1_20 - var_1_15) - (var_1_21 - var_1_16))) ? (var_1_19 == ((signed char) ((((var_1_12) > (var_1_22)) ? (var_1_12) : (var_1_22))))) : (var_1_19 == ((signed char) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=3, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=3, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=29/4, last_1_var_1_13=9/10, last_1_var_1_17=8, last_1_var_1_19=-128, var_1_10=2, var_1_11=64, var_1_12=65, var_1_13=9/10, var_1_14=0, var_1_17=3, var_1_18=-98305, var_1_19=66, var_1_1=3, var_1_22=66, var_1_2=32768, var_1_3=-32772, var_1_7=644/5, var_1_8=65, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 307 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 22:12:31,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6764ffc30d83572229fdd52ac34e537de9a6022f894af07ea29e6b16dee068e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:12:32,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:12:32,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 22:12:32,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:12:32,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:12:32,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:12:32,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:12:32,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:12:32,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:12:32,910 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:12:32,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:12:32,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:12:32,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:12:32,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:12:32,910 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:12:32,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:12:32,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:12:32,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:12:32,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:12:32,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:12:32,912 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6764ffc30d83572229fdd52ac34e537de9a6022f894af07ea29e6b16dee068e4 [2025-03-03 22:12:33,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:12:33,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:12:33,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:12:33,132 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:12:33,132 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:12:33,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i [2025-03-03 22:12:34,291 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623689b7e/19ee97eeff0c44a898d4b4796bd05fc6/FLAGf89f823d5 [2025-03-03 22:12:34,529 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:12:34,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i [2025-03-03 22:12:34,541 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623689b7e/19ee97eeff0c44a898d4b4796bd05fc6/FLAGf89f823d5 [2025-03-03 22:12:34,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623689b7e/19ee97eeff0c44a898d4b4796bd05fc6 [2025-03-03 22:12:34,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:12:34,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:12:34,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:12:34,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:12:34,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:12:34,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:12:34" (1/1) ... [2025-03-03 22:12:34,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eda7edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:34, skipping insertion in model container [2025-03-03 22:12:34,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:12:34" (1/1) ... [2025-03-03 22:12:34,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:12:34,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i[913,926] [2025-03-03 22:12:35,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:12:35,043 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:12:35,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-37.i[913,926] [2025-03-03 22:12:35,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:12:35,086 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:12:35,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35 WrapperNode [2025-03-03 22:12:35,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:12:35,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:12:35,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:12:35,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:12:35,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,116 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2025-03-03 22:12:35,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:12:35,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:12:35,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:12:35,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:12:35,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,143 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 22:12:35,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,150 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:12:35,160 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:12:35,161 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:12:35,161 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:12:35,162 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (1/1) ... [2025-03-03 22:12:35,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:12:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:12:35,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 22:12:35,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 22:12:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:12:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 22:12:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:12:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:12:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:12:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:12:35,290 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:12:35,292 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:12:47,965 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-03 22:12:47,966 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:12:47,975 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:12:47,975 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:12:47,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:12:47 BoogieIcfgContainer [2025-03-03 22:12:47,976 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:12:47,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:12:47,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:12:47,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:12:47,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:12:34" (1/3) ... [2025-03-03 22:12:47,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e4b84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:12:47, skipping insertion in model container [2025-03-03 22:12:47,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:12:35" (2/3) ... [2025-03-03 22:12:47,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e4b84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:12:47, skipping insertion in model container [2025-03-03 22:12:47,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:12:47" (3/3) ... [2025-03-03 22:12:47,989 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-37.i [2025-03-03 22:12:48,001 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:12:48,002 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-37.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:12:48,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:12:48,047 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27a5afa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:12:48,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:12:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 22:12:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-03 22:12:48,058 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:12:48,059 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:12:48,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:12:48,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:12:48,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1776503744, now seen corresponding path program 1 times [2025-03-03 22:12:48,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:12:48,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980270325] [2025-03-03 22:12:48,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:12:48,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:12:48,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:12:48,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 22:12:48,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 22:12:48,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:48,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:48,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:48,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:12:48,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:12:48,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:12:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-03-03 22:12:48,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:12:48,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 22:12:48,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980270325] [2025-03-03 22:12:48,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980270325] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:12:48,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 22:12:48,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 22:12:48,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748515374] [2025-03-03 22:12:48,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:12:48,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:12:48,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 22:12:48,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:12:48,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:12:48,698 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-03 22:12:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:12:48,714 INFO L93 Difference]: Finished difference Result 118 states and 201 transitions. [2025-03-03 22:12:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:12:48,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2025-03-03 22:12:48,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:12:48,723 INFO L225 Difference]: With dead ends: 118 [2025-03-03 22:12:48,724 INFO L226 Difference]: Without dead ends: 59 [2025-03-03 22:12:48,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:12:48,729 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 22:12:48,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:12:48,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2025-03-03 22:12:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2025-03-03 22:12:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 22:12:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2025-03-03 22:12:48,761 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 129 [2025-03-03 22:12:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:12:48,762 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2025-03-03 22:12:48,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-03 22:12:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2025-03-03 22:12:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-03 22:12:48,767 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:12:48,767 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:12:48,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 22:12:48,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:12:48,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:12:48,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:12:48,969 INFO L85 PathProgramCache]: Analyzing trace with hash 180078494, now seen corresponding path program 1 times [2025-03-03 22:12:48,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:12:48,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327898240] [2025-03-03 22:12:48,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:12:48,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:12:48,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:12:48,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 22:12:48,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 22:12:49,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-03 22:12:49,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-03 22:12:49,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:12:49,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:12:49,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-03 22:12:49,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:12:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 384 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2025-03-03 22:12:54,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-03 22:12:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2025-03-03 22:12:55,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 22:12:55,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327898240] [2025-03-03 22:12:55,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327898240] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-03 22:12:55,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-03 22:12:55,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-03 22:12:55,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022178375] [2025-03-03 22:12:55,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-03 22:12:55,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-03 22:12:55,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 22:12:55,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-03 22:12:55,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-03 22:12:55,901 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2025-03-03 22:13:01,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:03,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:04,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:09,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:13,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:17,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:17,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:13:17,131 INFO L93 Difference]: Finished difference Result 121 states and 176 transitions. [2025-03-03 22:13:17,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-03 22:13:17,190 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 129 [2025-03-03 22:13:17,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:13:17,192 INFO L225 Difference]: With dead ends: 121 [2025-03-03 22:13:17,192 INFO L226 Difference]: Without dead ends: 65 [2025-03-03 22:13:17,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2025-03-03 22:13:17,193 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 188 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 142 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2025-03-03 22:13:17,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 109 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 20.2s Time] [2025-03-03 22:13:17,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-03-03 22:13:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-03-03 22:13:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-03 22:13:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2025-03-03 22:13:17,201 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 129 [2025-03-03 22:13:17,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:13:17,202 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2025-03-03 22:13:17,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2025-03-03 22:13:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2025-03-03 22:13:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-03 22:13:17,204 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:13:17,204 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:13:17,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-03 22:13:17,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:13:17,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:13:17,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:13:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1089504984, now seen corresponding path program 1 times [2025-03-03 22:13:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:13:17,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557913678] [2025-03-03 22:13:17,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:13:17,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:13:17,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:13:17,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 22:13:17,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-03 22:13:17,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-03 22:13:17,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-03 22:13:17,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:13:17,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:13:17,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-03 22:13:17,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:13:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2025-03-03 22:13:17,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:13:17,961 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 22:13:17,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557913678] [2025-03-03 22:13:17,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557913678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:13:17,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 22:13:17,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 22:13:17,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947268841] [2025-03-03 22:13:17,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:13:17,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 22:13:17,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 22:13:17,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 22:13:17,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 22:13:17,964 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-03 22:13:22,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 22:13:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:13:22,447 INFO L93 Difference]: Finished difference Result 139 states and 197 transitions. [2025-03-03 22:13:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 22:13:22,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2025-03-03 22:13:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:13:22,450 INFO L225 Difference]: With dead ends: 139 [2025-03-03 22:13:22,450 INFO L226 Difference]: Without dead ends: 79 [2025-03-03 22:13:22,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 22:13:22,451 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-03 22:13:22,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 165 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-03 22:13:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-03 22:13:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2025-03-03 22:13:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-03 22:13:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2025-03-03 22:13:22,463 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 130 [2025-03-03 22:13:22,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:13:22,464 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2025-03-03 22:13:22,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-03 22:13:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2025-03-03 22:13:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-03 22:13:22,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:13:22,466 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:13:22,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-03 22:13:22,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:13:22,666 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:13:22,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:13:22,667 INFO L85 PathProgramCache]: Analyzing trace with hash 653305351, now seen corresponding path program 1 times [2025-03-03 22:13:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:13:22,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100047626] [2025-03-03 22:13:22,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:13:22,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 22:13:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:13:22,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 22:13:22,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-03 22:13:22,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-03 22:13:23,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-03 22:13:23,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:13:23,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:13:23,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-03 22:13:23,624 INFO L279 TraceCheckSpWp]: Computing forward predicates...